Taper Lock Bushing, Bushing Type Taper Lock, Bore Bushing Series 2517, Bore Diameter 20 mm, Length 1.75 in, Bolt Circle Diameter 3.25 in, Bolt Size Not Applicable, System of Measurement Metric, Bushing Diameter Not Applicable, Flange Type Flangeless, Flange Width Not Applicable, For Shaft Type Keyed, Includes (2) Set Screws, Keyway Height 2.9 mm, Keyway Width 6 mm, Length Less Flange Not Applicable, Material Steel, Overall Diameter 3.375 in, Taper 8 Degrees